Allow changing top controls height

cc/trees/layer_tree_host.h

Index: cc/trees/layer_tree_host.h
diff --git a/cc/trees/layer_tree_host.h b/cc/trees/layer_tree_host.h
index de91b764e864398d881a0a6d409fc3b40c737579..054c02d894ed2887cc82c49323e38c9e60cd81e6 100644
--- a/cc/trees/layer_tree_host.h
+++ b/cc/trees/layer_tree_host.h
@@ -210,7 +210,8 @@ class CC_EXPORT LayerTreeHost {
   bool UseGpuRasterization() const;
 
   void SetViewportSize(const gfx::Size& device_viewport_size);
-  void SetTopControlsLayoutHeight(float height);
+  void SetTopControlsShrinkBlinkSize(bool shrink);
+  void SetTopControlsHeight(float height);
   void SetTopControlsContentOffset(float offset);
 
   gfx::Size device_viewport_size() const { return device_viewport_size_; }
@@ -413,7 +414,8 @@ class CC_EXPORT LayerTreeHost {
   LayerTreeDebugState debug_state_;
 
   gfx::Size device_viewport_size_;
-  float top_controls_layout_height_;
+  bool top_controls_shrink_blink_size_;
+  float top_controls_height_;
   float top_controls_content_offset_;
   float device_scale_factor_;